US11196211B2 - Expandable connector assembly - Google Patents
Expandable connector assembly Download PDFInfo
- Publication number
- US11196211B2 US11196211B2 US16/761,520 US201916761520A US11196211B2 US 11196211 B2 US11196211 B2 US 11196211B2 US 201916761520 A US201916761520 A US 201916761520A US 11196211 B2 US11196211 B2 US 11196211B2
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- US
- United States
- Prior art keywords
- connector
- female
- female connectors
- male
- connectors
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
- H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/79—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6271—Latching means integral with the housing
- H01R13/6273—Latching means integral with the housing comprising two latching arms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
Definitions
- the present disclosure relates to a connector, and more particularly, to an expandable connector assembly capable of increasing the number of pins of the connector by assembling unit male and female connectors, when it is needed to increase the number of pins of the connector.
- a conventional connector generally includes a female connector 2 and a male connector 3 in a pair.
- the female connector 1 has a plurality of pins corresponding to a contact
- the male connector 3 has a plurality of plug terminals that come into contact with the plurality of pins.
- the female connector 2 is mounted to the circuit board 1 by means of Surface Mounter Technology (SMT), and the male connector 3 is connected and fixed in the female connector 2 .
- SMT Surface Mounter Technology
- the number of pins is predetermined, and the number of pins determines compatibility with a usable device or circuit board. In other words, if the number of pins is not identical between any connector and a circuit board, the connector is not useable. In this case, it is required to use male and female connectors with exactly the same number of pins or newly fabricate male and female connectors with the required number of pins.
- the number of pins must be increased by one to the male and female connectors.
- the male and female connectors must be replaced entirely.
- the present disclosure is directed to improving compatibility and economic efficiency of male and female connectors by implementing the male and female connectors in an expandable manner, where several unit connectors may be consecutively assembled when it is required to increase the number of pins of the connector.
- the present disclosure is directed to providing a connector assembly which may be prevented from being detached or disconnected due to external shocks or vibrations and also allow male and female connectors to be conveniently assembled and disassembled.
- a connector assembly comprising: a plurality of female connectors, each female connector having a predetermined number of pins; and at least one male connector having a plug terminal configured to be coupled with the pins of the plurality of female connectors, wherein the plurality of female connectors are configured to be assembled with each other along a first direction.
- Each of the plurality of female connectors may include one pin, and the at least one male connector may include a plurality of male connectors that are respectively connected to the plurality of female connectors in one-to-one relationship.
- the at least one male connector may be a single male connector integrally having plug terminals corresponding to a total number of pins of the plurality of female connectors and be connected to the plurality of female connectors in multi-to-one relationship.
- Each of the plurality of female connectors may include a hooking protrusion on at least one of an upper end or a lower end of a front surface thereof to which the at least one male connector is connected, wherein the hooking protrusion is bent in a second direction perpendicular to the first direction, and the at least one male connector may include a hooking groove configured to be hooked with the hooking protrusion.
- the hooking protrusions of adjacent female connectors may be connected along a common direction.
- Each of the plurality of female connectors may include a locking groove formed by depressing an inner surface on at least one of an upper end and a lower end of a front surface of the female connector to which the at least one male connector is connected, and the at least one male connector may include a locking pin positioned at either an upper end or a lower end of the at least one male connector, wherein the locking pin is configured to be locked to or unlocked from the locking groove by means of a structure performing a seesawing motion.
- Each of the plurality of female connectors may include a convex block formed at a first side surface thereof to protrude in the first direction and a concave groove formed at an opposing second side surface thereof to depress corresponding to the convex block, and adjacent first and second female connectors may be configured to be connected to each other by sliding the convex block of the first female connector into the concave groove of the second female connector.
- the convex block may have a “T” shape, and the concave groove may be shaped to engage with the convex block.
- Each of the plurality of female connectors may include a first uneven portion formed at a first side surface thereof and including alternating ridges and valleys; and a second uneven portion formed at an opposing second side surface thereof and shaped to engage with the first uneven portion, wherein adjacent first and second female connectors are connected to each other by fitting the first uneven portion into the second uneven portion by a sliding motion in a second direction perpendicular to the first direction.
- the first uneven portion may be shaped in a saw-tooth pattern inclined in one direction.
- FIG. 1 is a diagram schematically showing conventional male and female connectors.
- FIG. 2 is a schematic perspective view showing unit male and female connectors according to an embodiment of the present disclosure.
- FIG. 3 is a schematic perspective view showing male and female connectors, which are configured by assembling the unit male and female connectors of FIG. 2 .
- FIG. 4 is a schematic top view showing the female connectors of this embodiment, which are installed to a circuit board.
- FIGS. 5 and 6 are diagrams for illustrating a fastening structure between the male and female connectors of this embodiment.
- FIG. 7 is a diagram corresponding to FIG. 2 and showing a modified example of the male connector.
- FIGS. 8 and 9 are diagrams for illustrating a fastening structure between male and female connectors according to another embodiment of the present disclosure.
- FIGS. 10 and 11 are diagrams for illustrating an assembling structure of a plurality of female connectors according to still another embodiment of the present disclosure.
- a circuit board may refer to a Battery Management System (BMS) circuit board applied to a battery pack for a vehicle.
- BMS Battery Management System
- the BMS circuit board is a component of the battery pack for controlling charge/discharge and cell balancing of battery cells.
- a connector assembly according to the present disclosure may be connected to the BMS circuit board to transmit voltage information or the like of the battery cells to the BMS.
- the connector assembly of the present disclosure may be connected to a printed circuit board of an electronic device such as a laptop, a tablet PC, a smart phone, or the like, in addition to the BMS circuit board, to transmit a signal necessary for the electronic device.
- FIG. 2 is a schematic perspective view showing unit male and female connectors according to an embodiment of the present disclosure
- FIG. 3 is a schematic perspective view showing male and female connectors, which are configured by assembling the unit male and female connectors of FIG. 2
- FIG. 4 is a schematic top view showing the female connectors of this embodiment, which are installed to a circuit board.
- the connector assembly includes a plurality of female connectors 10 provided to be assembled with each other along one direction, and an at least one male connector 20 coupled to the female connectors 10 .
- Each of the female connectors 10 accommodates a predetermined number of pins 11 therein.
- the female connector 10 according to this embodiment is illustrated as accommodating one pin 11 , the female connector 10 may accommodate two or more pins 11 .
- the plurality of female connectors 10 respectively having one pin 11 may be connected successively in one direction as shown in FIGS. 3 and 4 . If the unit female connectors 10 are successively assembled as above, it is possible to configure a female connector 10 having various numbers of pins 11 . In other words, if it is necessary to decrease or increase the number of pins 11 of the female connector 10 to be connected to a circuit board 30 , in the conventional art, the female connector itself must be replaced. However, according to the present disclosure, the number of pins 11 of the female connector 10 can be increased or decreased just by separating or adding one unit female connector 10 . Thus, the cost of replacing the female connector may be reduced and the labor required for mounting the female connector to the circuit board may be reduced.
- the assembling structure and method of the plurality of female connectors 10 may be implemented as follows.
- the unit female connector 10 includes a convex block 15 formed at one side thereof to protrude therefrom and a concave groove 16 formed at the other side thereof to be depressed in a shape corresponding to the convex block 15 .
- the convex block 15 has a cross-section of an approximately alphabetical “T” shape and extends along the height direction. Also, the concave groove 16 forms an empty space that engages with the convex block.
- Any one unit female connector 10 and another female connector 10 may be connected to each other by fitting the convex block 15 and the concave groove 16 vertically.
- two unit female connectors 10 may be connected into one body by fitting the convex block 15 of any one unit female connector 10 into the concave grooves 16 of another female connector 10 the from top to bottom.
- the two unit female connectors 10 engage with each other by means of the convex block 15 and the concave groove 16 having a “T” shape, the two unit female connectors 10 may be tightly fastened with each other without relatively moving in the forward, backward, left and right directions.
- the convex block 15 and the concave groove 16 are formed in the “T” shape in this embodiment, the convex block 15 and the concave groove 16 may have any shape such as an “L” shape as long as the convex block 15 convexly formed at one side surface of the unit female connector 10 and the concave groove 16 concavely formed at the other side surface of the unit female connector 10 are capable of engaging with each other.
- other unit female connectors 10 may be assembled and connected to the two unit female connectors 10 such that a plurality of female connectors 10 having a required number of pins 11 are connected.
- the male connector 20 may include a plurality of unit male connectors 20 that are connected to the unit female connectors 10 in one-to-one relationship.
- the unit male connector 20 is implemented to have only one plug terminal 21 that contacts one pin 11 of the female connector 10 .
- FIGS. 5 and 6 are diagrams for illustrating a fastening structure between the male and female connectors 10 , 20 of this embodiment.
- the female connector 10 has hooking protrusions 12 , 13 bent in a vertical direction on at least one of an upper end and a lower end of a front surface thereof to which the male connector 20 is connected. Also, the male connector 20 has hooking grooves 22 , 23 provided to be hooked to the hooking protrusions 12 , 13 .
- the hooking protrusions 12 , 13 are provided to both the upper end and the lower end of the front surface of the female connector 10 for enhanced coupling, and the hooking grooves 22 , 23 corresponding thereto are provided to the upper end and the lower end of the front surface of the male connector 20 .
- the male connector 20 In order to separate the male connector 20 from the female connector 10 , in a state where the hooking protrusions 12 , 13 of the female connector 10 are slightly widened, the male connector 20 should be pulled in the reverse direction. Although not shown in detail, the plug terminal 21 of the male connector 20 may be inserted in a receptacle manner to contact the pin 11 of the female connector 10 , which is located inside the female connector 10 .
- FIG. 7 is a diagram corresponding to FIG. 2 and showing a modified example of the male connector 20 .
- the male connector 20 according to this embodiment is provided in a single number.
- the male connector 20 according to the modified example integrally includes plug terminals 21 corresponding to the total number of pins 11 of the plurality of unit female connectors 10 and is connected to the female connectors 10 , which are assembled with each other on the circuit board 30 , in a multi-to-one structure.
- the female connectors 10 assembled with each other have a front end opened in the lateral direction, and the hooking protrusions 12 , 13 of any one female connector 10 and the hooking protrusions 12 , 13 of another neighboring female connector 10 are connected along the assembling direction.
- the hooking grooves 22 , 23 of the male connector 20 may be formed in a size corresponding to the connected hooking protrusions 12 , 13 .
- the hooking grooves 22 , 23 of the male connector 20 may be hooked to all of the hooking protrusions 12 , 13 of the female connectors 10 .
- the male connector 20 also serves to bind a plurality of wires W into a bundle, it is advantageous to integrate the male connector 20 into one connector rather than dividing into several connectors. Also, since the male connector 20 is not mounted to the circuit board 30 , the male connector 20 may be exchanged more easily than the female connector 10 . For this reason, the connector assembly according to the modified example may be more effective than the connector assembly having the one-to-one connection structure of the male and female connectors 10 , 20 described above.
- FIGS. 8 to 10 Next, a connector assembly according to another embodiment of the present disclosure will be described with reference to FIGS. 8 to 10 .
- FIGS. 8 and 9 are diagrams for illustrating a fastening structure between male and female connectors 10 , 20 according to another embodiment of the present disclosure.
- the female connector 10 according to another embodiment of the present disclosure has a locking groove 17 formed by depressing an inner surface of at least one of an upper end and a lower end of a front surface thereof to which the male connector 20 is connected.
- the male connector 20 has a locking pin 24 provided at an upper end or a lower end thereof to be locked to or unlocked from the locking groove 17 by means of a seesawing structure.
- the locking pin 24 may be integrally formed at an outer side of a housing of the male connector 20 such that, if one end thereof based on a support point located at one site is pressed, the other end is lifted.
- the other end of the locking pin 24 may be provided with a projection 24 a that at least partially engages with the locking groove 17 of the female connector 10 .
- the fastening structure between the male and female connectors 10 , 20 may the male and female connectors 10 , 20 from being broken or deformed when the male connector 20 is inserted into or separated from the female connector 10 .
- the hooking protrusions 12 , 13 of the female connector 10 should be widened so that the male connector 20 may pass into and out of the front end of the female connector 10 .
- the female connector 10 is made of a material elastically deformable within a certain range, when the female and female connectors 10 , 20 are repeatedly fastened, the coupling force of the female connector 10 is weakened due to deformation or breakage thereof.
- the male connector 20 when the male connector 20 is inserted into or separated from the female connector 10 , the male connector 20 may be inserted or separated by appropriately using the locking pin 24 without widening the front end of the female connector 10 .
- the male connector 20 may be inserted into or separated from the female connector 10 in a state of pressing a front portion of the locking pin 24 .
- the male connector 20 may also be inserted into or separated from the female connector 10 in a state of slightly lifting up a rear portion of the locking pin 24 with a predetermined tool.
- the locking pin 24 according to this embodiment is used, there is no need to widen the front end of the female connector 10 or forcibly press the front end of the male connector 20 into the front end of the female connector 10 .
- the male and female connectors 10 , 20 are fastened or released, it is possible to minimize the damage of the male and female connectors 10 , 20 , thereby improving the coupling force and durability of the male and female connectors 10 , 20 .
- FIGS. 10 and 11 are diagrams for illustrating an assembling structure of a plurality of female connectors 10 according to still another embodiment of the present disclosure.
- the female connector 10 includes a first uneven portion 18 formed at one side surface thereof and having ridges and valleys repeatedly and a second uneven portion 19 formed at the other side surface thereof to engage with the first uneven portion 18 .
- Any one female connector 10 and another female connector 10 may be connected to each other by fitting the first uneven portion 18 vertically into the second uneven portion 19 .
- the first uneven portion 18 and the second uneven portion 19 according to this embodiment may correspond to the convex block 15 and the concave groove 16 of the former embodiment.
- first uneven portion 18 and the second uneven portion 19 may easily adjust the number and depth of ridges and valleys at both side surfaces of the female connector 10 , compared to the convex block 15 and the concave groove 16 of the former embodiment having a “T” shape.
- the unit female connector 10 of this embodiment may be manufactured into a slim design more easily than the female connector 10 of the former embodiment.
- the unit female connector 10 having one pin 11 should be made as slim as possible so that the entire female connector 10 formed by connecting unit female connectors may have a compact design.
- the assembling structure of the female connectors 10 according to this embodiment may be more advantageous in slimming the unit female connector 10 and the entire female connector 10 formed by connecting unit female connectors, compared to the former embodiment.
- the +X-axis direction of FIG. 11 is a direction in which the pin 11 of the female connector 10 is electrically connected to a conductive pattern of the circuit board 30 when the female connector 10 is mounted to the circuit board 30 . If vibration or an external force is applied, the female connectors 10 may be pushed in the +X-axis direction, which may cut the electrical connection between the pin 11 of the female connector 10 and the conductive pattern of the circuit board 30 . Thus, it is particularly needed to fix the female connector 10 to the circuit board 30 such that the female connector 10 is not pushed in the +X axis direction.
- first uneven portion 18 and the second uneven portion 19 may be provided to have a saw-tooth form inclined in one direction as shown in FIG. 11 .
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180075765A KR102373471B1 (en) | 2018-06-29 | 2018-06-29 | Expandable connector assembly |
KR10-2018-0075765 | 2018-06-29 | ||
PCT/KR2019/003264 WO2020004775A1 (en) | 2018-06-29 | 2019-03-20 | Expandable connector assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
US20200266573A1 US20200266573A1 (en) | 2020-08-20 |
US11196211B2 true US11196211B2 (en) | 2021-12-07 |
Family
ID=68985058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/761,520 Active US11196211B2 (en) | 2018-06-29 | 2019-03-20 | Expandable connector assembly |
Country Status (6)
Country | Link |
---|---|
US (1) | US11196211B2 (en) |
EP (1) | EP3706251A4 (en) |
JP (1) | JP7004228B2 (en) |
KR (1) | KR102373471B1 (en) |
CN (1) | CN111542970B (en) |
WO (1) | WO2020004775A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114899635B (en) * | 2022-07-13 | 2022-09-20 | 深圳智慧龙城软件开发技术有限公司 | Electronic product interface protector |
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- 2018-06-29 KR KR1020180075765A patent/KR102373471B1/en active IP Right Grant
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- 2019-03-20 US US16/761,520 patent/US11196211B2/en active Active
- 2019-03-20 JP JP2020523985A patent/JP7004228B2/en active Active
- 2019-03-20 EP EP19826291.7A patent/EP3706251A4/en active Pending
- 2019-03-20 CN CN201980007315.XA patent/CN111542970B/en active Active
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Also Published As
Publication number | Publication date |
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EP3706251A4 (en) | 2020-12-23 |
CN111542970A (en) | 2020-08-14 |
EP3706251A1 (en) | 2020-09-09 |
JP7004228B2 (en) | 2022-01-21 |
JP2021501965A (en) | 2021-01-21 |
US20200266573A1 (en) | 2020-08-20 |
WO2020004775A1 (en) | 2020-01-02 |
KR102373471B1 (en) | 2022-03-10 |
CN111542970B (en) | 2022-03-15 |
KR20200002353A (en) | 2020-01-08 |
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